Voltage stabilizer



FIG. 1 is a front view of a voltage stabilizer showing my new design, the rear being a mirror image of the front;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top plan view thereof, the bottom plan being a mirror image of the plan; and,

FIG. 5 is a perspective view thereof. 

The ornamental design for a voltage stabilizer, as shown and described. 